You can tell the kernel to ignore particular devices that might wake the
machine up by:
sudo sh -c 'echo NAME > /proc/acpi/wakeup'
That will just toggle device NAME between enabled (can wake up) or
disabled (can't wake up). But the hard part is figuring out which device
name from /proc/acpi/wakeup is relevant to the USB keyboard. Maybe 'XHC'
representing the USB controller?
Your BIOS might also have settings to control which devices can wake the
machine up.
** Changed in: linux (Ubuntu)
Importance: Undecided => Low
** Changed in: linux (Ubuntu)
Status: Incomplete => Triaged
** Summary changed:
- System wakes from suspend almost immediately
+ [ThinkPad X1 Carbon] System wakes from suspend almost immediately if USB
keyboard is plugged in
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https://bugs.launchpad.net/bugs/1970155
Title:
[ThinkPad X1 Carbon] System wakes from suspend almost immediately if
USB keyboard is plugged in
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